Round|Lab Grown|IGI

15.06ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG743511514

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743511514

Diamond specifications and retailer prices

From €3,356 EUR
£2,952 GBP
As of October 27, 2026
Save €13,678 EUR (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €17,034 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 15.06ct lab-grown round diamond

This 15.06ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG743511514 or 743511514. Listed at 15 retailers as of October 27, 2026, with prices from €3,356 to €17,034, a €13,678 spread on the same certified stone. Brilliant Earth lists it at €17,034. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

15.06
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743511514
Dimensions15.90 × 15.75 × 9.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.90 mm15.75 mm15.06 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG743511514
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: €17,034 EUR|Low: €3,344 EUR|High: €17,034 EUR|Avg: €6,397 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 11€3,356 EUR
Retailer 7€3,591 EUR
Retailer 4€3,763 EUR
Retailer 14€4,166 EUR
Retailer 5€4,349 EUR
Retailer 9€4,869 EUR
Retailer 10€4,905 EUR
Retailer 2€4,943 EUR
Retailer 3€5,205 EUR
Retailer 12€5,414 EUR
Retailer 15€6,190 EUR
Retailer 8€6,367 EUR
Retailer 6€6,450 EUR
Retailer 13€14,128 EUR
Brilliant Earth€17,034 EUR

28 data points across 15 retailers

15 retailers€3,356 EUR to €17,034 EUR

A
Cheapest Retailer
-
€3,356 EUR
£2,952 GBP
A
Retailer 2
-
€3,591 EUR
$4,012 USD
View
A
Retailer 3
-
€3,763 EUR
$4,204 USD
View
A
Retailer 4
-
€4,166 EUR
$4,654 USD
View
B+
Retailer 5
-
€4,349 EUR
$4,859 USD
View
B+
Retailer 6
-
€4,869 EUR
HK$42,500 HKD
View
B+
Retailer 7
-
€4,905 EUR
$5,480 USD
View
B+
Retailer 8
-
€4,943 EUR
$5,522 USD
View
B+
Retailer 9
-
€5,205 EUR
$5,815 USD
View
B+
Retailer 10
-
€5,414 EUR
£4,763 GBP
View
B+
Retailer 11
-
€6,190 EUR
$6,915 USD
View
B+
Retailer 12
-
€6,367 EUR
View
B
Retailer 13
-
€6,450 EUR
$7,206 USD
View
B
Retailer 14
-
€14,128 EUR
$15,784 USD
View
Most Expensive
B
Brilliant Earth
16748074A · Oct 29
€17,034 EUR
$19,030 USD
View
14 more retailers have this diamond
Prices start from €3,356 EURSave up to €13,678 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
15.06ct Round
€3,356 EUR